feat: 后端全量更新 - 含所有本次需求
- Contract.php: 返回合约账户余额(balance_contract) - My.php: 地址管理增加BTC/ETH - AppContract.php: 一键平仓(closeall) - AppProxy.php: 代理专属注册链接 + 分级权限(L1/L2) - site.php: 手续费减半(0.018→0.009) - agent_permission_setup.sql: 代理权限SQL - crypto_news_crawler.py: 新闻自动采集脚本
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li
Executable
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<!DOCTYPE html>
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<html>
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<head>
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<title>Absolute positioning within the viewport</title>
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<!-- Copyright 1998-2020 by Northwoods Software Corporation. -->
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<meta name="description" content="A diagram that does not scroll or zoom and has a fixed area in which to move parts." />
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<script src="../release/go.js"></script>
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<script src="../assets/js/goSamples.js"></script> <!-- this is only for the GoJS Samples framework -->
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<script id="code">
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function init() {
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if (window.goSamples) goSamples(); // init for these samples -- you don't need to call this
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var $ = go.GraphObject.make;
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myDiagram =
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$(go.Diagram, "myDiagramDiv",
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{
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fixedBounds: new go.Rect(0, 0, 500, 300), // document is always 500x300 units
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allowHorizontalScroll: false, // disallow scrolling or panning
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allowVerticalScroll: false,
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allowZoom: false, // disallow zooming
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"animationManager.isEnabled": false,
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"undoManager.isEnabled": true,
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"ModelChanged": function(e) { // just for demonstration purposes,
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if (e.isTransactionFinished) { // show the model data in the page's TextArea
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document.getElementById("mySavedModel").textContent = e.model.toJson();
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}
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}
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});
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// the background Part showing the fixed bounds of the diagram contents
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myDiagram.add(
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$(go.Part,
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{ layerName: "Grid", position: myDiagram.fixedBounds.position },
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$(go.Shape, { fill: "oldlace", strokeWidth: 0, desiredSize: myDiagram.fixedBounds.size })
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));
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// this function is the Node.dragComputation, to limit the movement of the parts
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// use GRIDPT instead of PT if DraggingTool.isGridSnapEnabled and movement should snap to grid
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function stayInFixedArea(part, pt, gridpt) {
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var diagram = part.diagram;
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if (diagram === null) return pt;
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// compute the document area without padding
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var v = diagram.documentBounds.copy();
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v.subtractMargin(diagram.padding);
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// get the bounds of the part being dragged
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var b = part.actualBounds;
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var loc = part.location;
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// now limit the location appropriately
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var x = Math.max(v.x, Math.min(pt.x, v.right - b.width)) + (loc.x - b.x);
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var y = Math.max(v.y, Math.min(pt.y, v.bottom - b.height)) + (loc.y - b.y);
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return new go.Point(x, y);
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}
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myDiagram.nodeTemplate =
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$(go.Node, "Auto",
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{ dragComputation: stayInFixedArea },
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// get the size from the model data
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new go.Binding("desiredSize", "size", go.Size.parse),
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// get and set the position in the model data
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new go.Binding("position", "pos", go.Point.parse).makeTwoWay(go.Point.stringify),
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// temporarily put selected nodes in Foreground layer
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new go.Binding("layerName", "isSelected", function(s) { return s ? "Foreground" : ""; }).ofObject(),
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$(go.Shape, "Rectangle",
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{ strokeWidth: 0 }, // avoid extra thickness from the stroke
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new go.Binding("fill", "color")),
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$(go.TextBlock,
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new go.Binding("text", "color"))
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);
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myDiagram.model = new go.GraphLinksModel([
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{ "key": "Alpha", "pos": "0 0", "size": "50 50", "color": "lightblue" },
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{ "key": "Beta", "pos": "276 19", "size": "100 100", "color": "orange" },
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{ "key": "Gamma", "pos": "44 214", "size": "100 50", "color": "lightgreen" },
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{ "key": "Delta", "pos": "239 171", "size": "50 100", "color": "pink" }
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],
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[
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{ from: "Alpha", to: "Beta" },
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{ from: "Alpha", to: "Gamma" },
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{ from: "Gamma", to: "Delta" },
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{ from: "Delta", to: "Alpha" }
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]);
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}
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</script>
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</head>
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<body onload="init()">
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<div id="sample">
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<div id="myDiagramDiv" style="width:100%; height:400px"></div>
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<p>
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Absolute positioning within the viewport, with no scrolling (or panning) or zooming allowed.
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</p>
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<p>
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There is a special colored background Part that shows the fixed area where Parts may be.
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It is in the "Grid" Layer so that it is not selectable and is always behind the regular Parts.
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</p>
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<p>
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Parts may not be dragged outside of the fixed document area of the diagram.
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This is implemented by a custom <a>Part.dragComputation</a> function.
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</p>
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<p>
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Note that the user may still scroll or zoom the whole page.
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</p>
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<p>The model data, automatically updated after each change or undo or redo:</p>
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<textarea id="mySavedModel" style="width:100%;height:250px"></textarea>
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</div>
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</body>
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</html>
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